http-headers

问题 If you're not using AJP, Tomcat 6.0 Connectors have a nice maxHttpHeaderSize attribute in server.xml . But if you are using AJP, that attribute is not understood. Is there any way to increase the allowed HTTP header size if you are writing an app that is using AJP? ( maxHttpHeaderSize is documented at http://tomcat.apache.org/tomcat-6.0-doc/config/http.html but there is also this in that document: "If you wish to configure the Connector that is used for connections to web servers using the

问题 I would like to start a simple file download through the browser, however an access token must be passed with a custom HTTP header: GET https://my.site.com/some/file Authorization: access_token How can I inject the Authorization: header following the site URL? I know it's possible to do that using query string, but I want to do it using headers. I'm familiar with XMLHttpRequest, but as far as I understand it does not trigger download, it only reads content and the file I want to download is

问题 I am trying to create a Java "Filter" which detects a custom HTTP Request Header, and inserts response headers so that the file will download automatically. The response header that is most important for this is the "Content-Type = Attachment" response header. I have created an HTTP request object that inserts the custom Header: function myHttpObject(filePath){ function makeHttpObject() { return new XMLHttpRequest(); } var request = makeHttpObject(); request.open("GET", filePath, false);

问题 I need to test my web application against a browser for which back button doesn't generate request to server. Could you give me examples of such browsers? 回答1: That doesn't depend on the browser used, but on the HTTP response headers sent to it. If the browser is by the response headers instructed to cache the page, then it will cache the page. But if it is instructed to not cache the page, then it will not cache the page and fire a real request. You have control over the response headers on

问题 I need to test my web application against a browser for which back button doesn't generate request to server. Could you give me examples of such browsers? 回答1: That doesn't depend on the browser used, but on the HTTP response headers sent to it. If the browser is by the response headers instructed to cache the page, then it will cache the page. But if it is instructed to not cache the page, then it will not cache the page and fire a real request. You have control over the response headers on

问题 I have seen dozens of questions on SO and different blogs talking about this with "answers" -- all to no avail. I have a React.js app on my local machine (Ubuntu 16.04). Locally, I try to test it by running npm start and it opens up the browser to http://localhost:3000. On one page, I am trying to access my PHP api which is on my shared hosting server. Chrome and Firefox both say that it fails due to server not having Access-Control-Allow-Orgin . Exact Message: Failed to load http://---/api

问题 I have seen dozens of questions on SO and different blogs talking about this with "answers" -- all to no avail. I have a React.js app on my local machine (Ubuntu 16.04). Locally, I try to test it by running npm start and it opens up the browser to http://localhost:3000. On one page, I am trying to access my PHP api which is on my shared hosting server. Chrome and Firefox both say that it fails due to server not having Access-Control-Allow-Orgin . Exact Message: Failed to load http://---/api

问题 As far as I know, the HTTP Header Vary specifies a comma separated list of HTTP headers that need to be considered by caches together with the URL when deciding if a request is a cache hit or miss. If that header is omitted, means that only the URL will be considered. But what happen when the header is Vary:* ? RFC 2616 14.4 A Vary field value of *** signals that unspecified parameters not limited to the request-headers (e.g., the network address of the client), play a role in the selection

问题 Protocol-relative URLs aren't what I'm looking for. I'm looking for a way of absolutely specifying a protocol (http vs https) while keeping the host name of the url relative. Given a relative URL such as "/SearchForStuff" I want to be able to specify a different protocol "https vs. http" etc. without having to specify a host/domain name. Our site has a header partial view which we display across the top of every page on our site. Some pages on the site are http and some are https. The header

问题 HTTP_AUTHORIZATION seems to be a server side environment variable, but what values can it be? Are there examples? Is it set by some HTTP headers? Also, how does it look like on the browser side when it asks for username and password (is it an HTML form or is it a popup box that asks for username and password (which is modal and so if not clicking OK or Cancel, then the browser cannot be click on)). Usually, a user login form will POST to the server with POST variables such as username=peter